Chevy 396/402ci Hypereutectic Pistons Hollow Dome .180"

Name: Chevy 396/402ci Hypereutectic Pistons Hollow Dome .180"
Brand: UNITED ENGINE MACHINE
SKU: 648-KB160.STD
Price: 467.82 USD
Availability: InStock

^$467⁸²

Ships on 09/10/2026

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Chevy 396/402ci

Dome Top Pistons

Hollow Dome .180''
4.125'' Bore (+.030'' 396; Standard 402)
Use w/6.135'' Connecting Rod & 3.760'' Crank Stroke
Comp. Ratio: 10.5/96.5cc; 9.6/105cc; 9.4/108cc; 8.5/119cc
8/pkg

Notes: For a 396ci engine, use part number 648-KB160.STD. This will be a 396ci .030 over bore. Compression ratio will be 10.3 on 96.5 head (Closed chamber head).
Technical Specs:
Alloy: Hypereutectic 390
Bore: 4.125'
Crankshaft Stroke: 3.760'
Connecting Rod Length: 6.135'
Deck Height: 9.800'
Compression Height: 1.765'
Pin Size: 0.990'
Pin Location: Centered
Hollow Dome Top: .180' 17cc IV (Closed Chamber Head)
Intake Valve Relief: 0.266' Depth / 2.310' Diameter
Exhaust Valve Relief: N/A
Top Landing Height: 0.311'
Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
Gram Weight: 630/158
Compression Ratio: 10.5:1 w/96.5cc Heads; 9.6:1 w/105cc Heads; 9.4:1 w/108cc; 8.5:1 w/119cc Heads

Part TypePiston

BrandUNITED ENGINE MACHINE

Package Height3.9

Package Width9.3

Package Length18.1

Weight15.0 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part NumberKB160.STD

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

Chevy 396/402ci Hypereutectic Pistons Hollow Dome .180"

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